/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.pulsar.proxy.server;

import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.timeout.IdleStateHandler;
import io.netty.handler.timeout.ReadTimeoutHandler;
import java.lang.reflect.Field;
import java.util.concurrent.TimeUnit;

public class ProxyReadTimeoutHandler extends ReadTimeoutHandler {

    private final Field readingField;

    public ProxyReadTimeoutHandler(long timeout, TimeUnit unit) {
        super(timeout, unit);
        try {
            this.readingField = IdleStateHandler.class.getDeclaredField("reading");
            this.readingField.setAccessible(true);
        } catch (NoSuchFieldException e) {
            throw new IllegalArgumentException("Exception caused while get 'reading' field", e);
        }
    }

    @Override
    public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
        this.readingField.setBoolean(this, true);
        super.channelReadComplete(ctx);
    }
}
